Hardware Spec Index

Tessarix NX-1637 Ultra 2.5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX1637-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index823 (Network Cards scale)
Category rank#13,190
Street price$19
Power2 W
Performance per dollar43.32
Released2022

Specifications

BrandTessarix
ModelTessarix NX-1637 Ultra
Speed2.5GbE (2.5G/1G/100M)
Ports1× RJ45
Host interfacePCIe 3.0 x1
CablingCat5e or better (100 m)
StandardIEEE 802.3bz (2.5G/5GBASE-T)
Jumbo framesUp to 9 KB
OffloadsTSO, checksum offload
Wake-on-LANYes
VLANIEEE 802.1Q
OS supportWindows 11, Linux, FreeBSD

Related guides

2.5GbE, 5GbE and 10GbE NetworkingPCIe Lanes Explained

Similar Network Cards

ModelBenchmarkPriceCompare
Quorvex NX-3613 Ultra 25GbE SFP28 PCIe Network Card5,873$469Compare
Strivon NX-4800 Ultra Dual-Port 10GbE SFP+ PCIe Network Card5,083$329Compare
Strivon NX-8070 XT Dual-Port 10GbE RJ45 PCIe Network Card4,612$349Compare
Tessarix NX-5258 Max 10GbE SFP+ PCIe Network Card4,921$309Compare
Strivon NX-6371 Core 5GbE RJ45 PCIe Network Card3,256$179Compare
Strivon NX-3847 Plus Dual-Port 10GbE RJ45 PCIe Network Card5,380$359Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-1637 Ultra 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/9729763 (accessed 2026-10-23).